Heating apparatus



(No Model.)

, H. 0. Av A. L. SPRAGUB.

` HEATING APPARATUS. No. 412,596. Patented Dec. 17, Y1889.

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HENRY O. SPRAGUE AND ALVIN L. SPRAGUE, OF WESTFIELD, MASSACHUSETTS.

HEATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 417,596, dated December 17, 1889.

p Application led September 12, 1889; Serial No. 323,711. (No model.)

To all whom, t may concern:

Beit known that we, HENRY O. SPRAGUE and ALVIN L. SPRAGUE, citizensof the United States of America, residing at Westfield, in the county of Hampden and State of Massaehu'setts, have inventedcertain new and useful Improvements in Heating Apparatus, of which the following is a specification, refer- 1 ence being had therein to the accompanying drawings.

The object of our invention is to supply an equalizing distributer of hot water when used for heating purposes.

In the drawings, Figure 1 is a perspective view of our device with parts broken away. Fig. 2 is a vertical longitudinal section.

Like letters refer to like parts throughout the several views.

yAis an Aair-tight reservoir, the bottom B ofV which is in the form of an inverted cone or dome, the apex terminating in theI pipe4 D,

pipes will be regulated by the location andV number of points to which it is desirable to separately distribute hot Water.

The pipe D is a coil constituting the fire-- pot, the supply of cold water entering the -coil' at the pointF, the water iiowing in the direction of the arrow. The coil D sets within a metal heater or radiator resting solidly on the base G, forming a solid wall between the fire and return-flue. Within t-his base is the grate H, Fig. 2, of the ordinary pattern, and the ordinary receptacle for ashesand cinders. There is an annular space S, Fig. 2, between the coil and heater-walls J, extending up and between the reservoir A and said walls, giving di-rect draft through the fine K at the top of the radiator.v When kthe direct draft through the iiue K is open, the fire is brought in contact with the inside of the coil Dl and above, around, and over the reservoir with a sufficient draft, thus heating water very quickly. On cutting off the direct draft by ymeans of the damper L the draft is then by way of the revertible nue M, and a more moderate heat results, though the ire is then brought in contact with bothv the inner and outer surfaces of the coil D.

V The revertible-iiue protector N and the deflector O, in addition to-serving the purposes for which similar parts are in common use, together with the braces P, serve to attach the coil and reservoir to the sides of the casing and rigidly hold the parts in place. Fuel is supplied through the door R and ashes re- Vsecuring the object to be attained.

, Having thus described our invention, what we claim, and desire to secure by Letters Patent, is

` 1. In a hot-Water heater, an air-tight reservoir A, consisting of a bottom B in the form of an inverted dome or cone, the apex terminating in a pipe or orifice through which hot water enters, having a top C, depressed to a suitable degree in its center in the shape of an inverted cone, the apex terminating in or over the center of the receiving pipe or orifice, with side walls E, fixing the vertical dimension thereof, and distributingpipes 6leading therefrom, as ameans of distributing the hot water, as and for the purposes described.

2. In a hot-water heater, the air-tight reservoir A, constructed of the parts and in the mannerherein described,in combination with the coil D, forming the lire-pot of the heater or radiator, and the casing J, resting on the base G, as and for the purposes described.

8. In a hot-water heater, .the reservoir A, constructed of the parts and in the manner herein set forth, in combination with-the coil IOO D, forming the lire-pot of the heater, the casdeeetor O, and braces P, as and for the pur- 1o in g J the flue-protector N, the defiector O, and poses described.

revertibie fiue M, as and for the purposes de- In testimony whereof we affix our signatures scribed. in presence of two witnesses.

5 4. In allot-Water heater, the air-tight reser- HENRY O. SPRAGUE.

voir A, constructed in the manner herein set ALVIN L. SPRAGUE. forth and of the parts named, in combination fitnesses: with the eoi1D,forn1ing the fire-pot of the XVILLIS S. KELLOGG,

heater, the casing J, the fine-protector N, the ARCHEDELL N. SPRAGUE. 

